obama and san antonio mayor castro, who will serve as the keynote speaker. wednesday, it's time for football. the nfl season kicks off as defending super bowl champs host the dallas cowboys. if you're not into the game, catch former president bill clinton speaking at the dnc. thursday, massachusetts residents head to the polls for state primaries. voters will pick between a handful of candidates to determine who will face-off against each other in november to replace congressman barney frank. also thursday, it's the last night of the dnc, with speeches by vice president joe biden and president obama. saturday, the london 2012 paralympic games comes to an end with closing ceremonies taking place on sunday. and that's a look at the week ahead. i'm mary anne rafferty, fox news. . . >>> well, the preseason is over. the final cuts have been made. now comes the real deal. robert griffin iii and the redskins gear up for the season opener against the saints. rocky parrish is here to break it down, coming up in sports. gwen? >> mother nature may not be into the holid